[Part 21] Game freezing caused by RingEventData.cs

[정춤고 (ChoomGo)]

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I added the code for this part and ran the build, but Unity itself keeps freezing. No error code appears, and it freezes immediately, so there doesn’t seem to be a way to solve it. Is there anyone who might be experiencing something similar to this?

Terence’s suggestion is as follows:

is causing this, you will eventually come across an object that, after deleting, will allow the game to continue running. Then you will know which script is causing this, and you can post it on the forums for us to have a look for you.

I did that and found that the issue is with RingEventData.cs.

RingEventData.cs
1.57 KB • 44 extracted lines

Formatting may be inconsistent from source.

using UnityEngine;

[CreateAssetMenu(fileName = "Ring Event Data", menuName = "Datas/Event Data/Ring")]
public class RingEventData : EventData
{
    [Header("Mob Data")]
    public ParticleSystem spawnEffectPrefab;
    public Vector2 scale = new Vector2(1, 1);
    [Min(0)] public float spawnRadius = 10f, lifespan = 15f;

    public override bool Activate(PlayerStats playerStats = null)
    {
        // Only activate this if the player is present.
        if (playerStats)
        {
            GameObject[] spawns = GetSpawns();
            float angleOffset = 2 * Mathf.PI / Mathf.Max(1, spawns.Length);
            float currentAngle = 0;
            foreach (GameObject g in spawns)
            {
                // Calculate the spawn position.
                Vector3 spawnPosition = playerStats.transform.position + new Vector3(
                    spawnRadius * Mathf.Cos(currentAngle) * scale.x,
                    spawnRadius * Mathf.Sin(currentAngle) * scale.y
                );

                // If a particle effect is assigned, play it on the position.
                if (spawnEffectPrefab)
                    Instantiate(spawnEffectPrefab, spawnPosition, Quaternion.identity);

                // Then spawn the enemy.
                GameObject s = Instantiate(g, spawnPosition, Quaternion.identity);

                // If there is a lifespan on the mob, set them to be destroyed.
                if (lifespan > 0) Destroy(s, lifespan);

                currentAngle += angleOffset;
            }
        }

        return false;
    }
}

The code above is what part 21 is about. Below is the addition of a code that gathers in the middle with the help of chat GPT. The same freesing occurred in both scripts.

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

[CreateAssetMenu(fileName = "Ring Event Data", menuName = "Datas/Event Data/Ring")]
public class RingEventData : EventData
{
    [Header("Mob Data")]
    public ParticleSystem spawnEffectPrefab;
    public Vector2 scale = new Vector2(1, 1);
    [Min(0)] public float spawnRadius = 10f;

    [Header("Convergence Data")]
    [Min(0)] public float convergenceTime = 5f;
    [Range(0f, 1f)] public float convergenceRatio = 0.9f;
    [Min(0)] public float disappearDelay = 0.5f;

    public override bool Activate(PlayerStats playerStats = null)
    {
        // Only activate this if the player is present.
        if (playerStats)
        {
            GameObject[] spawns = GetSpawns();
            float angleOffset = 2 * Mathf.PI / Mathf.Max(1, spawns.Length);
            float currentAngle = 0;
            List<GameObject> spawnedEnemies = new List<GameObject>();

            foreach (GameObject g in spawns)
            {
                // Calculate the spawn position.
                Vector3 spawnPosition = playerStats.transform.position + new Vector3(
                    spawnRadius * Mathf.Cos(currentAngle) * scale.x,
                    spawnRadius * Mathf.Sin(currentAngle) * scale.y
                );

                // If a particle effect is assigned, play it on the position.
                if (spawnEffectPrefab)
                    Instantiate(spawnEffectPrefab, spawnPosition, Quaternion.identity);

                // Then spawn the enemy.
                GameObject s = Instantiate(g, spawnPosition, Quaternion.identity);
                spawnedEnemies.Add(s);

                currentAngle += angleOffset;
            }

            // Start the convergence coroutine
            playerStats.StartCoroutine(ConvergeAndDestroyEnemies(spawnedEnemies, playerStats.transform));
        }

        return false;
    }

    private IEnumerator ConvergeAndDestroyEnemies(List<GameObject> enemies, Transform playerTransform)
    {
        float elapsedTime = 0f;

        while (elapsedTime < convergenceTime)
        {
            foreach (GameObject enemy in enemies)
            {
                if (enemy != null)
                {
                    Vector3 directionToPlayer = playerTransform.position - enemy.transform.position;
                    float distanceToMove = directionToPlayer.magnitude * (convergenceRatio * (elapsedTime / convergenceTime));
                    enemy.transform.position += directionToPlayer.normalized * distanceToMove * Time.deltaTime;
                }
            }

            elapsedTime += Time.deltaTime;
            yield return null;
        }

        // Wait for the specified delay before destroying
        yield return new WaitForSeconds(disappearDelay);

        // Destroy all enemies
        foreach (GameObject enemy in enemies)
        {
            if (enemy != null)
            {
                Destroy(enemy);
            }
        }
    }
}

[정춤고 (ChoomGo)]

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Unity doesn’t stop if I don’t put ring event data in Enemy spawner. Unity stops when I add it.

[Terence]

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Can you remove the line that starts the ConvergeAndDestroyEnemies() coroutine and see if that fixes the freezing? The issue seems to be that one of your loops are running forever.

[정춤고 (ChoomGo)]

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Unity stops even when I remove the code and add a ring event. I don’t think this cs file is the cause of the stop. I’m just guessing maybe there’s another cause.

[Terence]

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How about if you remove the entire loop in Activate()? Does it still crash?

    public override bool Activate(PlayerStats playerStats = null)
    {
        // Only activate this if the player is present.
        if (playerStats)
        {
            GameObject[] spawns = GetSpawns();
            float angleOffset = 2 * Mathf.PI / Mathf.Max(1, spawns.Length);
            float currentAngle = 0;
            List<GameObject> spawnedEnemies = new List<GameObject>();

            foreach (GameObject g in spawns)
            {
                // Calculate the spawn position.
                Vector3 spawnPosition = playerStats.transform.position + new Vector3(
                    spawnRadius * Mathf.Cos(currentAngle) * scale.x,
                    spawnRadius * Mathf.Sin(currentAngle) * scale.y
                );

                // If a particle effect is assigned, play it on the position.
                if (spawnEffectPrefab)
                    Instantiate(spawnEffectPrefab, spawnPosition, Quaternion.identity);

                // Then spawn the enemy.
                GameObject s = Instantiate(g, spawnPosition, Quaternion.identity);
                spawnedEnemies.Add(s);

                currentAngle += angleOffset;
            }

            // Start the convergence coroutine
            playerStats.StartCoroutine(ConvergeAndDestroyEnemies(spawnedEnemies, playerStats.transform));
        }

        return false;
    }

[정춤고 (ChoomGo)]

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I modified it to the code above, and Unity stopped again. I’ll restore it to the original code and then look again.

[Terence]

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The other possibility is that the issue is with the EventManager script. Your issue looks like it is an issue with one of your loops though, which makes me think that the while loop in ConvergeAndDestroyEnemies() is the most likely culprit.

    private IEnumerator ConvergeAndDestroyEnemies(List enemies, Transform playerTransform)
    {
        float elapsedTime = 0f;

        while (elapsedTime < convergenceTime)
        {
            foreach (GameObject enemy in enemies)
            {
                if (enemy != null)
                {
                    Vector3 directionToPlayer = playerTransform.position - enemy.transform.position;
                    float distanceToMove = directionToPlayer.magnitude * (convergenceRatio * (elapsedTime / convergenceTime));
                    enemy.transform.position += directionToPlayer.normalized * distanceToMove * Time.deltaTime;
                }
            }

            elapsedTime += Time.deltaTime;
            yield return null;
        }

        // Wait for the specified delay before destroying
        yield return new WaitForSeconds(disappearDelay);

        // Destroy all enemies
        foreach (GameObject enemy in enemies)
        {
            if (enemy != null)
            {
                Destroy(enemy);
            }
        }
    }

[정춤고 (ChoomGo)]

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I deleted the displayed code. Still trying to add a code where monsters gather in the middle. Thank you for your kindness.

[Author]

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